Re: Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-11 Thread Martin Langhoff
On Sat, Oct 10, 2009 at 11:26 AM, Mitch Bradley wrote: > You can get the erase block size from SD cards - it's in the Card > Specific Data structure - but I don't know of any standard way to get it > for USB mass storage devices. Interesting! Did a bit of looking around but can't find a commandli

Re: Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-10 Thread Mitch Bradley
You can get the erase block size from SD cards - it's in the Card Specific Data structure - but I don't know of any standard way to get it for USB mass storage devices. Sascha Silbe wrote: > On Sat, Oct 10, 2009 at 02:46:17AM +0100, Martin Dengler wrote: > >> Nope (SoaS) - that'll waste your par

Re: Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-10 Thread Sascha Silbe
On Sat, Oct 10, 2009 at 02:46:17AM +0100, Martin Dengler wrote: Nope (SoaS) - that'll waste your partition table in favour of whatever I copied from my dsd-inspired "make-fake-device" partition table script[1]. I'd love patches. From that script: NUM_HEADS=16 NUM_SECTORS_PER_TRACK=62 That

Re: Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-09 Thread Martin Dengler
On Fri, Oct 09, 2009 at 04:23:17PM -0700, S Page wrote: > On Tue, Oct 6, 2009 at 3:10 AM, Mitch Bradley wrote: > > > b) If you must construct a fixed partition layout for use on multiple > > different devices, align each partition on at least a 4MiB boundary. > > That means that you "waste" 4M fo

Re: Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-09 Thread Tiago Marques
OCZ Rally 2 4GB has worked fine for me for a year now. If you go for the OCZ Rally 2 Turbo, it has higher random write speeds(faster boot, opening apps) but I'm not sure about reliabilty. OCZ has a good reputation for good reliability on most of it's products. Using an USB->SD adapter with one of

Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

2009-10-09 Thread S Page
On Tue, Oct 6, 2009 at 3:10 AM, Mitch Bradley wrote: > b) If you must construct a fixed partition layout for use on multiple > different devices, align each partition on at least a 4MiB boundary. > That means that you "waste" 4M for the partition map (one 512-byte > sector padded out to a 4 MiB b